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85394898 = 234527129
BaseRepresentation
bin1010001011100…
…00010111010010
312221200111210000
411011300113102
5133330114043
612250150430
72054562501
oct505602722
9187614700
1085394898
11442264a6
1224722416
13148cbb34
14b4ac838
15776c2d3
hex51705d2

85394898 has 20 divisors (see below), whose sum is σ = 191348190. Its totient is φ = 28464912.

The previous prime is 85394849. The next prime is 85394909. The reversal of 85394898 is 89849358.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78907689 + 6487209 = 8883^2 + 2547^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 263403 + ... + 263726.

Almost surely, 285394898 is an apocalyptic number.

85394898 is an abundant number, since it is smaller than the sum of its proper divisors (105953292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85394898 is a wasteful number, since it uses less digits than its factorization.

85394898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527143 (or 527134 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 85394898 is about 9240.9359915541. The cubic root of 85394898 is about 440.3628171356.

The spelling of 85394898 in words is "eighty-five million, three hundred ninety-four thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 527129 1054258 1581387 3162774 4744161 9488322 14232483 28464966 42697449 85394898